Honolulu warns residents after storm swells dam water levels

A fire official watches as water is pumped from a reservoir where a dam came close to overflowing Thursday in Honolulu. (AP Photo/Caleb Jones)

HONOLULU — Honolulu officials said a dam holding 21 million gallons of water was not in danger of collapsing Thursday, but still warned nearly 10,000 residents downstream that they might need to evacuate after Tropical Storm Olivia caused water levels to rise in the reservoir.